Informational Bulletin: Low-Slope Roofing and ES-1 Testing FAQs

Studies conducted by the Roofing Industry Committee on Weather Issues (RICOWI) following Hurricanes Charley and Ivan that laid waste to large portions of the state of Florida back in 2004 reported that the majority of roof system damage was due to roof edge failures. Initial findings in the aftermath of Hurricanes Harvey and Irma indicate a similar conclusion could be reached. ANSI / SPRI / FM 4435 / ES-1, the Wind Design Standard for Edge Systems Used with Low-Slope Roofing Systems, can help determine how your roof edge systems will perform during natural disasters such as these.

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